Manual

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Iu Link Management Functions
Some of the features may not be available in this release. Kindly contact your local Cisco representative
for more information on supported features.
Important
HNB Access Network Elements
This section provides the brief description and functionality of various network elements involved in the
UMTS Femto access network. The HNB access network includes the following functional entities:
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Home NodeB, on page 3
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Security Gateway (SeGW), on page 3
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HNB Gateway (HNB-GW), on page 4
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HNB Management System (HMS), on page 4
Home NodeB
A Home NodeB (HNB) is the a customer premise equipment that offers Uu interface to UE and IuH over
IPSec tunnel to HNB-GW for accessing UMTS Core Network (PS or CS) in Femtocell access network.
It also provides the support to HNB registration and UE registration over IuH with HNB-GW. Apart from
these functions HNB also supports some RNC like functions as given below:
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RAB management functions
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Radio Resource Management functions
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Iu Signalling Link management
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GTP-U Tunnels management
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Buffer Management
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Iu U-plane frame protocol initialization
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Mobility management functions
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Security Functions
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Service and Network Access functions
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Paging co-ordination functions
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UE Registration for HNB
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IuH user-plane Management functions
Security Gateway (SeGW)
Security Gateway is a logical entity in Cisco HNB-GW.
HNB-GW Administration Guide, StarOS Release 19
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HNB Gateway in Wireless Network
HNB Access Network Elements